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<div class="title">glHelper.hpp</div>  </div>
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<a href="gl_helper_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef GLHELPER_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define GLHELPER_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="comment">//LIB INCLUDES</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include &lt;GL/gl.h&gt;</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include &lt;GL/glu.h&gt;</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include &lt;GL/glut.h&gt;</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include &lt;fstream&gt;</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;iostream&gt;</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;sstream&gt;</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;cstdlib&gt;</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include &lt;math.h&gt;</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include &lt;unistd.h&gt;</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include &lt;ctime&gt;</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include &quot;<a class="code" href="types_8hpp.html">types.hpp</a>&quot;</span>
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 <span class="comment">//GLOBAL</span>
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 <span class="keywordtype">void</span> <a class="code" href="gl_helper_8hpp.html#a0be26f297e969c1bec3fabc753fbcee8">initCore</a>();
<a name="l00021"></a>00021 <span class="keywordtype">void</span> <a class="code" href="gl_helper_8cpp.html#af151554d532190beb0a1fc8e2a2e1445">drawSquare</a>(<span class="keywordtype">int</span> side);
<a name="l00022"></a>00022 <span class="keywordtype">void</span> <a class="code" href="gl_helper_8cpp.html#a7a81891b1569e58a540aa32925d34120">drawTeapot</a>(<span class="keywordtype">float</span> <a class="code" href="gl_helper_8cpp.html#ab8ef1bf8a70cc07c6d55823c390a7e76">angle</a>, <span class="keywordtype">float</span> state);
<a name="l00023"></a>00023 <span class="keywordtype">void</span> <a class="code" href="gl_helper_8cpp.html#ab8aa40f8b094ca99196d3cb4b5df5060">drawCrap</a>();
<a name="l00024"></a>00024 <span class="keywordtype">void</span> <a class="code" href="gl_helper_8cpp.html#af09d4e544e73d211b48d2f6adc044a08">drawCircle</a>(<span class="keywordtype">float</span> rad);
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 <span class="keywordtype">void</span> <a class="code" href="gl_helper_8cpp.html#a7c8a4c51d86286f4779ab2e9d2625aa7">normalize</a>(<a class="code" href="structs__vector.html">s_vector</a> &amp;v);
<a name="l00028"></a>00028 
<a name="l00029"></a><a class="code" href="gl_helper_8hpp.html#acda2c0df466197df16279cde740ead0f">00029</a> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="gl_helper_8hpp.html#acda2c0df466197df16279cde740ead0f">dotProduct</a>(<a class="code" href="structs__vector.html">s_vector</a> v1, <a class="code" href="structs__vector.html">s_vector</a> v2) {
<a name="l00030"></a>00030     <span class="keywordflow">return</span> v1.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a>*v2.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a> + v1.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>*v2.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>;
<a name="l00031"></a>00031 }
<a name="l00032"></a><a class="code" href="gl_helper_8hpp.html#af530c2beb2129c3fab823e98e5749b88">00032</a> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="gl_helper_8hpp.html#af530c2beb2129c3fab823e98e5749b88">absVector</a>(<a class="code" href="structs__vector.html">s_vector</a> v) {
<a name="l00033"></a>00033     <span class="keywordflow">return</span> pow(v.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a>*v.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a> + v.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>*v.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>, 0.5f);
<a name="l00034"></a>00034 }
<a name="l00035"></a><a class="code" href="gl_helper_8hpp.html#a0e15415718a6e1b6bb503e99e3e3f1f6">00035</a> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="gl_helper_8hpp.html#a0e15415718a6e1b6bb503e99e3e3f1f6">getMag</a>(<a class="code" href="structs__vector.html">s_vector</a> v) {
<a name="l00036"></a>00036     <span class="keywordflow">return</span> pow(v.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a>*v.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a> + v.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>*v.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>, 0.5f);
<a name="l00037"></a>00037 }
<a name="l00038"></a><a class="code" href="gl_helper_8hpp.html#a37ba1d8958dbbffe2d18498bf247fe1e">00038</a> <span class="keyword">inline</span> <span class="keywordtype">float</span> <a class="code" href="gl_helper_8hpp.html#a37ba1d8958dbbffe2d18498bf247fe1e">getAngle</a>(<a class="code" href="structs__vector.html">s_vector</a> v1, <a class="code" href="structs__vector.html">s_vector</a> v2) {
<a name="l00039"></a>00039     <span class="keywordflow">return</span> acos( <a class="code" href="gl_helper_8hpp.html#acda2c0df466197df16279cde740ead0f">dotProduct</a>(v1, v2) / <a class="code" href="gl_helper_8hpp.html#af530c2beb2129c3fab823e98e5749b88">absVector</a>(v1) / <a class="code" href="gl_helper_8hpp.html#af530c2beb2129c3fab823e98e5749b88">absVector</a>(v2) );
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041 
<a name="l00042"></a>00042 
<a name="l00043"></a><a class="code" href="gl_helper_8hpp.html#a0986cafe89bc7ab4b7773366213f0781">00043</a> <span class="keyword">inline</span> <a class="code" href="structs__vector.html">s_vector</a> <a class="code" href="gl_helper_8hpp.html#a0986cafe89bc7ab4b7773366213f0781">operator* </a>(<span class="keywordtype">float</span> <span class="keyword">const</span>&amp; scalar, <a class="code" href="structs__vector.html">s_vector</a> <span class="keyword">const</span>&amp; v){
<a name="l00044"></a>00044     <span class="keywordflow">return</span> (<a class="code" href="structs__vector.html">s_vector</a>){v.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a> * scalar, v.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a> * scalar};
<a name="l00045"></a>00045 }
<a name="l00046"></a><a class="code" href="gl_helper_8hpp.html#a5354ecce7ab95921c6e47ed48e36e558">00046</a> <span class="keyword">inline</span> <a class="code" href="structs__vector.html">s_vector</a> <a class="code" href="gl_helper_8hpp.html#a5354ecce7ab95921c6e47ed48e36e558">operator+ </a>(<a class="code" href="structs__vector.html">s_vector</a> <span class="keyword">const</span>&amp; v1, <a class="code" href="structs__vector.html">s_vector</a> <span class="keyword">const</span>&amp; v2){
<a name="l00047"></a>00047     <span class="keywordflow">return</span> (<a class="code" href="structs__vector.html">s_vector</a>){v1.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a> + v2.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a>, v1.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a> + v2.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>};
<a name="l00048"></a>00048 }
<a name="l00049"></a><a class="code" href="gl_helper_8hpp.html#a1dcd1211f392e4c04b17bdbb5329b64e">00049</a> <span class="keyword">inline</span> <a class="code" href="structs__vector.html">s_vector</a> <a class="code" href="gl_helper_8hpp.html#a1dcd1211f392e4c04b17bdbb5329b64e">operator- </a>(<a class="code" href="structs__vector.html">s_vector</a> <span class="keyword">const</span>&amp; v1, <a class="code" href="structs__vector.html">s_vector</a> <span class="keyword">const</span>&amp; v2){
<a name="l00050"></a>00050     <span class="keywordflow">return</span> (<a class="code" href="structs__vector.html">s_vector</a>){v1.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a> - v2.<a class="code" href="structs__vector.html#a5f391a150c90caba95e29898f47e4343">x</a>, v1.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a> - v2.<a class="code" href="structs__vector.html#a38d7ef8912bdd7a9146e6a560fe500d3">y</a>};
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052 
<a name="l00053"></a>00053 <span class="preprocessor">#endif</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
</pre></div></div><!-- contents -->


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